A WOMAN ON TRIAL for murder may be innocent and Jane (Simon Baker, right) intends to prove it on “The Mentalist” at 10 p.m. on CBS. With Ian Kahn.

SERIES

The Vampire Diaries: Klaus (Joseph Morgan) sends out invitations to a formal ball at his newly renovated mansion. When Elena (Nina Dobrev) gets hers, Stefan and Damon (Paul Wesley, Ian Somerhalder) both insist on going with her in this new episode (8 p.m. KTLA).American Idol: In Hollywood, vocalists try to advance to the semifinals (8 p.m. Fox).Party Like: Through two parallel events, centuries apart, the new episode “The Queen of France” tells the story of masquerades, one of the world’s most popular and enduring types of party (8 p.m. National Geographic). In a second new episode, at 9, viewers see how a Roman Emperor may have partied.The Office: Dwight and Andy (Rainn Wilson, Ed Helms) try to decide who should accompany Dwight to Sabre headquarters in Tallahassee for a special project. Jenna Fischer, James Spader and John Krasinski also star in this new episode (9 p.m. NBC).The Finder: When an amateur magician’s (Jonathan Slavin) disappearing act goes a little too well, he asks Walter (Geoff Stults) to help find his assistant, who has vanished for real (9 p.m. Fox).Austin City Limits: Wilco performs (10 p.m. KVCR).

MOVIES

On the Shoulders of Giants: Kareem Abdul-Jabbar is the executive producer and a co-writer of this 2011 documentary about the New York Renaissance, an all-black basketball team that was born in a Harlem ballroom in 1923 and became one of the dominant teams of the 1920s and ’30s, when the sport was still segregated (8:30 p.m. Showtime).